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Finding the Fourth Proportional to 531.85, 796.30 and 401.46

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Solution

The fourth proportional to 531.85, 796.30 and 401.46 is: 601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.85 : 796.30 = 401.46 : x
  2. Step 2: Convert to fraction form
    531.85/796.30 = 401.46/x
  3. Step 3: Cross multiply
    531.85x = 796.30 × 401.46
  4. Step 4: Simplify right side
    531.85x = 319,682.60
  5. Step 5: Solve for x
    x = 319,682.60/531.85
  6. Step 6: Final answer
    x = 601.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.